fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mFm] [15.8% done] [ 2069/ 78541 kb/s] [eta 00m:16s] Threads: 3: [FFm] [57.1% done] [ 2583/ 58123 kb/s] [eta 00m:03s] Threads: 3: [FFm] [71.4% done] [ 409/ 16324 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 78/ 677 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [70.0% done] [ 4277/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 25497/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [72.7% done] [ 30271/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [85.0% done] [ 33591/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [94.7% done] [ 30302/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35020/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 38502/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 31330/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32543/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22234 read : io=100MiB, bw=4,480KiB/s, runt= 23401msec clat (msec): min= 0, max= 446, avg= 6.41, stdev=29.23 bw (KiB/s) : min= 8, max=15519, per=60.02%, avg=8068.10, stdev=5363.46 write: io=96,392KiB, bw=7,058KiB/s, runt= 13983msec clat (msec): min= 0, max= 127, avg= 0.43, stdev= 4.72 bw (KiB/s) : min= 0, max=25322, per=51.87%, avg=10846.67, stdev=13045.17 cpu : usr=5.62%, sys=1.25%, ctx=950 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=84.0%, 4=4.7%, 10=7.0%, 20=1.5%, 50=0.9%, 100=0.6% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22235 read : io=100MiB, bw=4,539KiB/s, runt= 23097msec clat (msec): min= 0, max= 330, avg= 5.55, stdev=26.56 bw (KiB/s) : min= 6, max=22531, per=71.42%, avg=9600.50, stdev=5741.09 write: io=97,352KiB, bw=7,151KiB/s, runt= 13940msec clat (msec): min= 0, max= 48, avg= 0.07, stdev= 1.45 bw (KiB/s) : min= 0, max=90937, per=217.45%, avg=45468.50, stdev=64302.17 cpu : usr=5.49%, sys=1.37%, ctx=831 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=85.7%, 4=4.8%, 10=6.1%, 20=1.0%, 50=1.1%, 100=0.3% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22236 read : io=100MiB, bw=4,504KiB/s, runt= 23276msec clat (msec): min= 0, max= 340, avg= 7.78, stdev=30.54 bw (KiB/s) : min= 22, max=18104, per=53.44%, avg=7183.64, stdev=6058.10 write: io=91,788KiB, bw=6,723KiB/s, runt= 13979msec clat (msec): min= 0, max= 158, avg= 0.14, stdev= 4.26 bw (KiB/s) : min= 0, max=69427, per=129.06%, avg=26987.25, stdev=33567.29 cpu : usr=5.00%, sys=1.70%, ctx=993 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=82.5%, 4=5.7%, 10=6.8%, 20=1.1%, 50=1.7%, 100=1.0% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,442KiB/s, minb=4,480KiB/s, maxb=4,539KiB/s, mint=23097msec, maxt=23401msec WRITE: io=279MiB, aggrb=20,910KiB/s, minb=6,723KiB/s, maxb=7,151KiB/s, mint=23097msec, maxt=23401msec Disk stats (read/write): sda: ios=3459/1882, merge=1235/69404, ticks=67132/1691456, in_queue=1761448, util=99.25% 3.75user 1.01system 0:24.13elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1069minor)pagefaults 0swaps